Home / 47,221.23-70,839.53-13,944.66

Finding the Fourth Proportional to 47,221.23, 70,839.53 and 13,944.66

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Solution

The fourth proportional to 47,221.23, 70,839.53 and 13,944.66 is: 20,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,221.23 : 70,839.53 = 13,944.66 : x
  2. Step 2: Convert to fraction form
    47,221.23/70,839.53 = 13,944.66/x
  3. Step 3: Cross multiply
    47,221.23x = 70,839.53 × 13,944.66
  4. Step 4: Simplify right side
    47,221.23x = 987,833,160.41
  5. Step 5: Solve for x
    x = 987,833,160.41/47,221.23
  6. Step 6: Final answer
    x = 20,919.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.